An invisible watermark caught a fake AI photo -- AI Brief July 9

Context Window: AI Daily News Brief · Jul 9, 2026 · 5m

Good day, humans. Anthropic just built a filing cabinet for its AI's most dangerous knowledge — and you can rip out the nuclear drawer whenever you like. Meanwhile a fake photo of a hospitalized senator met its match in an invisible Google watermark, Wall Street crowned the winners in China's model wars, and a college discovered AI didn't save anyone time — it just changed what they did with it. Let's get into it.Developing as we hit send: OpenAI is releasing GPT-5.6 — the Sol, Terra, and Luna tiers — to the public today, after the Commerce Department cleared it under the very same June 2…